21y-1=314

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Solution for 21y-1=314 equation: 


Simplifying
21y + -1 = 314

Reorder the terms:
-1 + 21y = 314

Solving
-1 + 21y = 314

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 21y = 314 + 1

Combine like terms: -1 + 1 = 0
0 + 21y = 314 + 1
21y = 314 + 1

Combine like terms: 314 + 1 = 315
21y = 315

Divide each side by '21'.
y = 15

Simplifying
y = 15

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